Timeline for Maximally reducing the rank of a matrix by removing some rows or columns
Current License: CC BY-SA 3.0
7 events
| when toggle format | what | by | license | comment | |
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| Feb 12, 2015 at 23:37 | comment | added | EngrStudent | @whuber, the OP wants rank less than M or N. If they were to reduce through both setting low magnitude eigenvalues to zero and then rotating to whatever was left - the rank of the column-space would be the number of non-zero elements in the diagonal of the eigenvalue matrix. | |
| Feb 12, 2015 at 22:10 | comment | added | whuber♦ | The problem statement treats rows and columns perfectly symmetrically. The appearance of different recommendations for processing them is therefore quite surprising. | |
| Feb 12, 2015 at 22:01 | comment | added | amoeba | That's some interesting suggestions in your edit. +1. However, even though I am not sure what exactly OP was asking about, it seems that he/she had yet another thing in mind... | |
| Feb 12, 2015 at 21:31 | history | edited | EngrStudent | CC BY-SA 3.0 |
added 922 characters in body
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| Feb 12, 2015 at 16:00 | history | edited | EngrStudent | CC BY-SA 3.0 |
added 368 characters in body
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| Feb 12, 2015 at 15:36 | comment | added | amoeba | I don't see how this answers the question. Your procedure will not result in removing "some of the rows or columns", as asked by the OP. | |
| Feb 12, 2015 at 15:25 | history | answered | EngrStudent | CC BY-SA 3.0 |